Specimen Mountain Weather Forecast

    • 19
    • 36

    Mostly Sunny

    • 19
    • 31

    Partly Sunny

    • 9
    • 30

    Blizzard

    • 21
    • 26

    Chance Snow

    • 24
    • 34

    Snow Likely

    • 18
    • 29

    Chance Snow

Today 15 Dec South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet

Mostly sunny. Highs 35 to 45. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 Dec South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet

Mostly clear. Lows 18 to 28. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Specimen Mountain Temperature Statistics

December Temperature

Walden-Jackson County Airport (31.7 miles)

  • Lowest 1 December, 2025

    -4 °F

  • Average December

    27.8 °F

  • Highest 11 December, 2025

    44.6 °F

Climate (2020–Present)

Walden-Jackson County Airport (31.7 miles)

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  • Average Low 2020–2025

    23.8 °F

  • Average 2020–2025

    37.9 °F

  • Average High 2020–2025

    50.5 °F
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